{"id":351,"date":"2026-03-17T18:12:35","date_gmt":"2026-03-17T17:12:35","guid":{"rendered":"https:\/\/mediascape.dev\/anadis\/?page_id=351"},"modified":"2026-03-18T07:51:10","modified_gmt":"2026-03-18T06:51:10","slug":"national-physical-laboratory","status":"publish","type":"page","link":"https:\/\/anadis.nl\/en\/products\/national-physical-laboratory\/","title":{"rendered":"National Physical Laboratory"},"content":{"rendered":"\n<figure itemscope itemtype=\"https:\/\/schema.org\/ImageObject\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/anadis.nl\/wp-content\/uploads\/anadis-logo.svg\" alt=\"anadis-logo\" title=\"anadis-logo\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\n\t<\/figure>\n<h1>\n\t\t\tNational Physical Laboratory\t<\/h1>\n\t<p><strong>The importance of verifying wavelength accuracy<\/strong><\/p>\n<p>The success of FT-IR analyses is often hindered\u00a0by the wavelength accuracy of the instrument. Many laboratories use polystyrene to verify the wavelength accuracy. To be really sure of your results, it would be better to perform this test with a certified polystyrene standard. Anadis can supply you with this standard from the National Physical Laboratory.<\/p>\n<p>Download: <a href=\"https:\/\/anadis.nl\/wp-content\/uploads\/Anadis-Wavenumber-Calibration-QA-Standard.pdf\" target=\"_blank\" rel=\"noopener\">IR wavennumber standard<\/a><\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>National Physical Laboratory The importance of verifying wavelength accuracy The success of FT-IR analyses is often hindered\u00a0by the wavelength accuracy of the instrument. Many laboratories use polystyrene to verify the wavelength accuracy. To be really sure of your results, it would be better to perform this test with a certified polystyrene standard. Anadis can supply&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":299,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-351","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/anadis.nl\/en\/wp-json\/wp\/v2\/pages\/351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/anadis.nl\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/anadis.nl\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/anadis.nl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/anadis.nl\/en\/wp-json\/wp\/v2\/comments?post=351"}],"version-history":[{"count":2,"href":"https:\/\/anadis.nl\/en\/wp-json\/wp\/v2\/pages\/351\/revisions"}],"predecessor-version":[{"id":355,"href":"https:\/\/anadis.nl\/en\/wp-json\/wp\/v2\/pages\/351\/revisions\/355"}],"up":[{"embeddable":true,"href":"https:\/\/anadis.nl\/en\/wp-json\/wp\/v2\/pages\/299"}],"wp:attachment":[{"href":"https:\/\/anadis.nl\/en\/wp-json\/wp\/v2\/media?parent=351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}